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What determines the on-charge voltage of a battery?

April 26, 2017battery on-charge voltage

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What determines the on-charge voltage of a battery?

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The on-charge voltage of a battery is determined by several factors such as the increase of hydrogen overvoltage at the negative plate influenced by an organic compound, the decrease of either the hydrogen or the oxygen overvoltage at the positive electrode by the presence of metallic impurities, or the internal resistance of the battery. Rubber separators deliver adequate on-charge voltage normally higher than those of plastic separators, thereby showing good battery performance and long life.